<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>18.弹幕效果</title>
</head>
    <style>
        html,body {
            margin: 0;
            padding: 0;
            width: 100%;
            height: 100;
            font-family: "微软雅黑";
            font-size: 62.5%;
        }
        .boxDom {
            width: 100%;
            height: 100%;
            position: relative;
            overflow: hidden;
        }
        .idDom {
            width: 100%;
            height: 100px;
            background-color: #666;
            position: fixed;
            bottom: 0;
        }
        .content {
            display: inline-block;
            width: 430px;
            height: 40px;
            position: absolute;
            left: 0px;
            right: 0px;
            top: 0px;
            bottom: 0px;
            margin: auto;
        }
        .title {
            display: inline;
            font-size: 4em;
            
        }
    </style>
<body>
    


    <script src="../jquery-3.2.1.js"></script>
    <script>
        

    
    </script>
</body>
</html>